.currency-converter {
    max-width: 400px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background-color: #fff;
  }
  
  .currency-converter h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
  }
  
  .currency-input {
    display: flex;
    margin-bottom: 15px;
  }
  
  .currency-input input {
    flex: 1;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
  }
  
  .currency-input select {
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-left: none;
    border-radius: 0 4px 4px 0;
    background-color: #f9f9f9;
    cursor: pointer;
  }
  
  .currency-input input.readonly {
    background-color: #f5f5f5;
    cursor: not-allowed;
  }
  
  .conversion-info {
    text-align: center;
    margin: 15px 0;
    color: #666;
  }
  
  .conversion-info i {
    display: block;
    margin: 10px 0;
    color: #999;
  }
  
  .last-update {
    text-align: center;
    margin-top: 15px;
    font-size: 12px;
    color: #999;
  }
  
  .error {
    color: #d9534f;
    text-align: center;
    margin-bottom: 15px;
  }